Changes

Jump to navigation Jump to search
Line 458: Line 458:     
== Nanny Goat ==
 
== Nanny Goat ==
 +
 +
* Breeding season in Britain is August-February with greatest activity in October, November and December. However, closer to the equator, does will cycle all year round.
 +
* Polyoestrous
 +
* Interoestrous interval of 20-21 days, but this is irregular at the start of the breeding season.
 +
* Duration of oestrus is 30-40 hours.
 +
* Ovulation occurs 12-36 hours after the onset of oestrus.
 +
 +
* Ovaries vary in shape, depending on the stuctures present.
 +
** The longest dimention is ~2.2cm.
 +
* The largest follicles reach a maximum diameter of ~1.2cm.
 +
* When these follicles protrude from the surface of the ovary, they often have a bluish tinge.
 +
* There are four follicular waves of growth, with ovulation occuring during the fourth wave.
 +
* Corpora lutea are pink in colour
 +
*
    
= Links =
 
= Links =
    
[[Oestrous_Cycle_-Pharmacological_Manipulation_of_Oestrous_Cycles_-_Anatomy_%26_Physiology|Pharmacological Manipulation of Oestrous Cycles]]
 
[[Oestrous_Cycle_-Pharmacological_Manipulation_of_Oestrous_Cycles_-_Anatomy_%26_Physiology|Pharmacological Manipulation of Oestrous Cycles]]
4,503

edits

Navigation menu